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## Switching Between Curve and Surface Modes

From the Operation | Graphic Display Window | Change Curve/Surface Mode menu, you can choose between Curve mode or Surface mode. These make a models curves (the wireframe model) or its surfaces visible and available for selection.

You must have the optional package called "Curves and Surfaces" purchased for your system in order to access these modes.

Curve Mode

The Curve mode option makes a wireframe's model of curves and lines selectable when you click on the CAD data in the Graphic Display window. You must import a wireframe model for this option to become available. This mode works well for all measured features.

The picture below illustrates this feature. The top half of the screen (A) shows the model in the Z+ view. The bottom half of the screen (B) shows the model in the Y- view.

Sample Graphic Display window split to show two different wireframe views of the part

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Surface Mode

The Surface mode option makes a solid model's surfaces selectable when you click on the CAD data in the Graphic Display window. You must import a solid model for this option to become available.